A randomized 25 question test from a pool of 761 questions, good luck!
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
Which of the error detection methods below is best used for larger data packets of virtually any kind of data?
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
There are several fields in an Ethernet message frame structure. Which of the answers represent the content of the FCS field in the Ethernet message frame?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
Which of the terms below best describes the electromagnetic noise that corrupts transmitted wave forms with echoes of itself?
Which of the answers below is not an advantage of digital communications to field devices?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the longest response times?
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow observation and control of the plant?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage levels to represent logic states?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog output memory location?
Which of the answers below has the correct amount and kind of parameters of an Foundation field bus AI block?
During day-to-day operation of an industrial network, some device addresses may change depending on the needs of the system. Which of the answers represents the normal state of a physical address during normal operations?
In IPv4, if you are using a static IP address assignment, which of the actions from the answers below, are you preforming?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
Which answer below best describes a fieldbus communication standard that is not common in the industrial setting?
There are numerous function block modes which are permitted. Which of the modes below is best described as the mode the function block is currently in?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will have the least amount of scalability?
Which of the messaging methods is best described as one that can be initiated by the link master and the basic device in the H1 transmission system?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that implements two separate communication systems to ensure redundancy for critical processes?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that accommodate with the amount data throughput?